Corega of America

Any device whose MAC address begins with 00:04:1D has a network interface built by Corega of America. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:04:1D

Organization

Corega of America

Address

P.O. Box 159 Bothell WA US 98041-0159

Source

IEEE OUI registry

Have a full MAC address? Look it up— we'll also tell you if it's a randomized (private) address rather than a real manufacturer prefix.